Finding the Fourth Proportional to 561,343.07, 774,652.05 and 306,696.08
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Solution
The fourth proportional to 561,343.07, 774,652.05 and 306,696.08 is: 423,239.83
Step by Step Solution
- Step 1: Write the proportion equation
561,343.07 : 774,652.05 = 306,696.08 : x - Step 2: Convert to fraction form
561,343.07/774,652.05 = 306,696.08/x - Step 3: Cross multiply
561,343.07x = 774,652.05 × 306,696.08 - Step 4: Simplify right side
561,343.07x = 237,582,747,098.96 - Step 5: Solve for x
x = 237,582,747,098.96/561,343.07 - Step 6: Final answer
x = 423,239.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.